He said that the United States must reject a path of hate and division and instead "find the moral conviction to choose another path, a higher path, a path of compassion, justice and love."
"And that's the way I call democratic socialism," he continued.
Mr Sanders mentioned Mr Trump eight times by name in his remarks, once more when he uttered the words 'democratic socialism' – a reflection of the textbook of Joseph R. Biden Jr., the current Democratic leader, who portrayed himself directly as in a direct showdown with the president. Mr. Sanders said the president "believes in corporate socialism for the rich and powerful; I believe in a democratic socialism that works for the working families of this country. "
In an interview before the speech, Mr Sanders said he wanted to involve the President in a personal debate on his agenda.
"I know it will trigger a heated debate," Sanders said. "I'm really looking forward to the tweets of President Trump."
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While Mr. Sanders differed between himself and the President, he also included references to the contest that would precede a showdown with Mr. Trump. Mr. Sanders went through a list of New Deal opponents and closed "the conservative wing of the own Democratic Party of F.D.R." a, a clear indication of his centrist enemies in today's Democratic Party.
Mr. Sanders made his remarks at a moment when his campaign stalled in early polls. A Monmouth University poll, released Wednesday, an hour before Mr Sanders' speech, revealed that Senator Elizabeth Warren of Massachusetts, Mr Sanders, was among the Democratic constituents in Nevada, an important early state, with 19 percent support for Mr Sanders & # 39; had exceeded 13 percent. Mr. Biden led with 36 percent, but the results are the first time that Ms. Warren led Mr. Sanders in a large survey of 2020 voters.
A survey by The Des Moines Register and CNN over the weekend revealed that Mr. Sanders finished second, but that he had lost ground in the past three months among the likely Iowa Caucusgoers, as Mrs. Warren and Mayor Pete Buttigieg of South Bend, Ind., Increased to one or two points.